10 Best Scopes For Ruger AR 556 – Top Picks and Reviews 

Do you know that the American made Ruger AR-556 is one of the most affordable modern sporting rifles? This rifle can shoot sub MOA groups in the hands of a competent shooter. All that you need in that case is the right optic. In this article, we will look at scopes that have the solid build quality and accurate targeting capabilities. All the scopes on this list can cope with the tough demands and varied weather conditions. Without further ado, let’s take a close look at these scopes.

Best Scopes For Ruger AR 556

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Reviews of the Best Scopes For Ruger AR 556

Simmons 8 Point 3 9*50mm Rifle Scope

You should consider the performance and durable design when choosing the best scope for Ruger AR 556. Under this consideration, this scope will be one of the top products in the market. Additionally, the highly regarded scope is manufactured with high quality materials. Besides that, it is constructed to be shock proof and waterproof.

The durability and heavy duty capability of this scope make it the perfect choice for tactical shooting and hunting adventures. This scope not only comes with an exit pupil of 5.6mm but also a long eye relief of 3.74 inches.

Unlike cheap and unreliable scopes in the market, this product has an extra wide magnification. It is good to know that the magnification range of this scope is 3-9x. The extra wide magnification allows users to focus on both mid and long range target.

When it comes to the reticle in this scope, it is robust. Have you been searching for a scope for a long time and heavy duty use? You should definitely go for this amazing scope. You will be guaranteed of contrast and bright images with the fully coated optical system. The optical system is also helpful in shooting the target accurately.

What’s more in this scope? It boasts of an objective lens diameter of about 50mm. Another unique feature that the manufacturer has included in this product is the Quick Target Acquisition. This feature will help you focus on the target in almost all weather conditions.

Best Scopes For Ruger AR 556 1 Simmons 8 Point 3 9*50mm Rifle Scope


  • It will deliver high contrast images.
  • It comes with true zero adjustment features.


  • It is heavy for some scope users.

Vortex Optics Strike Eagle Second Focal Plane Riflescopes

It is considered as one of the best choices for Ruger AR 556. Additionally, this scope comes with good speed and versatility. This makes it an ideal choice for the three gun competition. The magnification ring present in this scope enables easy focusing on the mid-range and long range. What is the function of the new illuminated BDC reticle in this scope? You will be able to focus on the target during the night and in low light conditions. Are you aware that this reticle allows you to focus on the target up to 650 yards?

You can use the fast focus dial to adjust the reticle for focusing the target. Furthermore, you will notice some anti-reflective coatings on the objective lens of this scope. The role of the coatings is to increase light transmission. Besides improving the clarity of the target, it helps you view the target in low light conditions.

Last but not least, you have the full freedom to adjust the elevation and wind age of the scope. Adjusting these settings means that you will have a clear view of the target. The scope maker has included an adjustable turret to adjust these settings.

The large magnification range in this scope enables you to have a clear view of the target at long ranges. If that is not yet enough, this scope features an illumination dial. This feature is incorporated to adjust the brightness level of the scope. Keep in mind that you can adjust the brightness levels of your scope based on the environmental conditions. Moreover, it is constructed with high quality aircraft grade aluminum.

There is no doubt that this is a durable and lightweight construction. Away from that, this scope is nitrogen purged and O ring sealed. Therefore, it will efficiently eliminate moisture in the scope. This improves on the waterproof and fog proof properties of the scope. Finally, you can use the 30mm tube for heavy duty performance.

Best Scopes For Ruger AR 556 2 Vortex Optics Strike Eagle Second Focal Plane Riflescopes


  • It is a lightweight scope.
  • It is nitrogen purged for waterproof performance.


  • Expensive.

Vortex Optics Diamondback Second Focal Plane Riflescopes

Are you planning to hunt deer and wild dogs? There is no doubt you will need a scope that can help you close the distance with your target. It is important to note that this reliable scope will achieve this at an incredible value. Additionally, the manufacturer has incorporated all the necessary features you have been looking for.

Moreover, the popular scope is lightweight. It also boasts of the modest profile. The perfect size of this scope allows you to mount it relatively low. You will have an easy time carrying this scope when trekking through the wilderness. On the other hand, the elevation and wind age settings in this scope are confidence inspiring.

Furthermore, the turrets in this scope are not exposed. Therefore, they will not complicate a shot during hunting. The reticle is designed with hold over points for wind and bullet drop corrections. All that you should know when purchasing this scope is that it comes with the perfect magnification range for hunting.

Last but not least, the manufacturer is known to include crystal clear lenses on their scopes. The coatings on these lenses will help prevent fog and scratches. Finally, you are given a full money back guarantee after purchasing this scope.

Best Scopes For Ruger AR 556 3 Vortex Optics Diamondback Second Focal Plane Riflescopes


  • Full money back guarantee.
  • This scope features crystal clear lenses.


  • The objective lens in this scope is scratched.

UTG 3-9*32 Bug Buster Scope

The most useful features in this great scope include an extra high magnification and Mil-Dot reticle. Additionally, the top scope has a one inch tube. It is also built on a true strength platform. Also, it is one of the best scopes in the market that are nitrogen purged. This makes it fog proof and waterproof. Besides that, this scope has excellent shock resistant qualities. Therefore, it will be the perfect choice if you are out hunting in a combat environment.

Furthermore, the user can easily move the turrets adjustments in ¼ MOA clicks. Similar to turrets from top scopes, these turrets are lockable. This means that they will stay locked on target. Moreover, the Mil Dot reticle design has a range of estimation. You will have an easy time zooming in and out on targets at various ranges.

Last but not least, you can program the adjustable objective from three yards all the way to infinity. After purchasing this scope, you will also get a dual illuminated reticle. Other crucial features in this scope include red and green illumination. This makes your targeting capabilities impressive.

It is good to be aware that the illumination of this scope requires two long lasting batteries. These batteries have been included in the package. You can either recharge or replace the batteries. Finally, this scope is easy to mount. You can use the standard rail to mount this scope.

Best Scopes For Ruger AR 556 4 UTG 3-9*32 Bug Buster Scope


  • This scope is dual illuminated.
  • It is waterproof and shockproof.


  • The manufacturer should make the eye relief more generous.

ATN Thor LT Thermal Rifle Scope

People love this scope for its affordability. Additionally, the manufacturer has broken the price barrier to making your dreams come true. Also, this scope has been made with heat detection sensors. The function of these sensors is to help you notice the target during the night. You can also use this scope in fog.

This is the right time to enjoy the traditional design in this scope. Furthermore, the tube is manufactured with durable aluminum construction. It is among the very few scopes that are recoil resistant. You will like the minimum power consumption.

Moreover, this product is lighter when compared to an average scope. Therefore, it will make you feel agile. You will also feel that your rifle is balanced when using this scope. Kindly keep in mind that it is the small things that make a big difference when you are out in the woods. The function of the One Shot Zero is to prevent you from wasting time and ammunition. All you have to do when using this scope is to move the zero reticles to your first point of impact.

Best Scopes For Ruger AR 556 5 ATN Thor LT Thermal Rifle Scope


  • This scope is lighter when compared to average scopes.
  • You will get maximum performance with minimum power consumption.


  • Horrible visual clarity.

Truglo True Brite 30 Series Scope

Every hunter will appreciate the performance and functions that come with this scope. Additionally, this riflescope is specifically manufactured for the AR platform. It makes an ideal choice for beginners. You will be able to focus on the target in any lighting condition when you consider using this scope. Away from that, this scope can be used to focus on the target up to 500 yards. On the other hand, the Drop Zone BDC reticle on this scope will help you improve the shooting capacity.

The BDC reticle will provide users with maximum reliability and accuracy. This means that you will have a chance to perform well in all tactical situations. Do you want to engage in mid and long range shooting? You are in the right place. Users can easily adjust the long range accuracy with the side focus parallax adjustment.

You can agree with me that indeed it is quite hard to find a scope with an objective lens of 40mm. You will be assured of incredible brightness since this scope features multi coated lenses. The coated lenses enable you to see the target clearly in all light conditions. Last but not least, it is constructed with high quality and durable aluminum alloy.

Presence of the anodized finish in this scope means that you can use it for a long time. Moreover, the nitrogen purged will help to remove internal moisture. It will also prevent the entry of moisture and dust in the scope.

Best Scopes For Ruger AR 556 6 Truglo True Brite 30 Series Scope


  • The high quality aluminum construction makes it durable.
  • You will be assured of incredible brightness.


  • There have been many complains about eye relief.

Nikon P Tactical .223 3-9*40 Matte

It is among the very few scopes in the market that come in matte black. Additionally, this scope features a BDC reticle design. Have you been looking for a scope that is compact and lightweight to fit on your AR 556 rifle? This scope will live up to your expectations. Also, the highly preferred scope is manufactured with a powerful objective lens. This gives you the power to shoot accurately.

Furthermore, this scope will let in an impressive light. This is facilitated by special multi-layer coatings. You will easily estimate bullet drop compensation when you purchase this product. Away from that, the fast focus built in feature enables you to quickly get on target. It does not matter whatever the range you might be.

Moreover, the spring loaded adjustment knobs makes it easy to adjust the windage and elevation. The eye relief in this product is not only generous, but it will also deal with recoils. Last but not least, the reticle is O ring sealed and nitrogen purged. Finally, the shockproof construction helps you to deal with shocks too.

Best Scopes For Ruger AR 556 7 Nikon P Tactical .223 3-9*40 Matte


  • The reticle is O ring sealed and nitrogen purged.
  • The shockproof construction helps to deal with shocks.


  • The reticle is quite hard to see.

Aim Sports JTHR1 With Locking Turrets Scope

The best thing about this scope is that it has fast targeting and precision when it gets up close and personal. Additionally, this scope will never disappoint you whether you are danger close or dialing for distance. Also, the tri illumination scope will give you a massive field of view for close range engagement.

The adjustable brightness reticle in this scope enables you to engage under any light conditions. On the other hand, the multi coated lens provides superior light transmission and resolution. The solid piece of aircraft grade aluminum will withstand constant heavy recoil. Moreover, you will benefit from the shockproof and fog proof construction in this scope.

Best Scopes For Ruger AR 556 8 Aim Sports JTHR1 With Locking Turrets Scope


  • It features fog proof and water proof construction.
  • This product boasts of fast targeting and precision.


  • The mount is not very good.

Bushnell Engage Riflescope 

This scope represents the latest evolution in Bushnell optics. Additionally, it features MOA wind age and elevation hash marks. This ensures that it reaches short and mid-range targets. Also, you will have an easy time dialing in the scope. The Zero Reset Locking Turret has been included to make it efficient. Overall, it will be a good optic for the money.

Best Scopes For Ruger AR 556 9 Bushnell Engage Riflescope 


  • It is a good optic for the money.
  • The elevation hash marks will make this scope reach short and mid-range targets.


  • It will be close to impossible to see lines on a sunny day.

NcSTAR Vism 1.1-4x 24mm Evolution Series Scope

The high resolution glass in this scope is for an excellent performance. Additionally, this scope can be used in many environments. What features come with this scope? It has been made with coated optics for extra clarity. Furthermore, the etched reticle has both blue and green illumination. Moreover, this product is waterproof and shockproof. Therefore, you will rest assured that it can withstand the harshest surrounding.

Best Scopes For Ruger AR 556 10 NcSTAR Vism 1.1-4x 24mm Evolution Series Scope


  • It can withstand the harshest surrounding.
  • It boasts of fully multi coated optics for optimum clarity.


  • It does not work as advertised.

Related Buyer’s Guide:

Things to consider when purchasing the best scope for Ruger AR 556

The right scope will help eliminate the targeting and shooting issues either in the field or competition. Are you unaware of comparing the products to pick? This is the right time to follow this guide. It will help you choose the most suitable scope. Let’s discuss the most important things to consider when purchasing your dream scope.


It is arguably the most important thing to consider when purchasing a scope. The best scopes in the market not only boasts of heavy duty but also durable construction. This ensures a long time use. The durable construction of the scope enables it to be used for many applications.


It is another important feature you should never forget when looking for your dream scope. You should be able to adjust the magnification range based on the situations. You might be aware that the magnification range is not equal in all the products. Therefore, it is advisable to choose the magnification range based on what magnification you are going to use. Will you be using the scope for the home target? A scope with a magnification power of 2x will be enough for that.

Furthermore, you can consider a fixed power scope. It will be best for targeting in a particular range. If you will be shooting moving targets, you can go for the variable magnification.

Objective lens

The diameter of the objective lens will be an important consideration when looking for the right scope for your needs. Nowadays, most hunters prefer going for scopes with a larger objective lens. This allows you to capture more light. A large objective lens has proved to be perfect for people who want to easily focus on the target at dawn or dusk. You will always have a clear view of the target.

Parallax adjustment 

Parallax adjustment is one of the most relevant features to consider when you compare your choice with other products in the market. Are you one of the shooters who like shooting long range targets? Parallax adjustment will help you improve the sight while at the same time zeroing the scope properly.

Eye relief

Eye relief is useful in protecting the eyes and eyebrows from the injuries in tactical situations. It is an important thing to consider for the high recoils and lighter rifle scope. You will come to regret your decision if you overlook this factor.

Gas purging

High quality scopes should have gas purging. The most reputable manufacturers use nitrogen and other gases to fill their scopes. This is for shockproof and waterproof performance. You will experience better performance while still getting a clear view of the target in all weather conditions.


Can you afford your dream scope? You should find a scope under your budget if you have the budget to spend on a good scope. Kindly remember that lower price does not mean lower quality products. You can still find high quality scopes within your budget. With that in mind, you can compare a lot of products to find a good quality scope at an affordable price.

Easy to use

It can be hard to use a scope especially if you are a beginner. That being said, you should take your time to get familiar with your scope. It is important to look for easy adjustment and quick access for easy operations when you are choosing one scope for you. Moreover, purchase a scope that will be easy to install.


There are numerous scopes available in the market. While some of them are manufactured by renowned scopes makers, others come from less popular manufacturers. It makes sense purchasing a scope from a manufacturer who has been in the industry for quite a long time. Reputable manufacturers provide warranty to their customers.

Related Buyer’s Guide:


The best way to improve your shooting experience is choosing the right scope. There are several things to consider for the best Ruger AR 556 scopes such as Material, Gas Purging and Price. We highlighted the best scopes for Ruger AR 556 to get the best shooting experience. We hope that this information will help you make an informed decision. Do you have any questions?

We look forward to hearing from you. Thanks!


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Hello, my name is Lisa Thompson and I’m the Founder of Safetyhub, your go-to resource for all things home security and home improvement. In this day and age, security should be your top priority, and that’s exactly why my dedicated team of writers and I offer reliable information pertaining to gun storage, home safes, and so much more. When I’m not running the blog, I enjoy gardening and homesteading. As an avid nature lover, I also love going on camping trips. Currently, I happily reside in the heart of Los Angeles.


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